Improvement in constructing buildings



- A. DERROM.

Improvement in Constructing Buildings.-

No. 122,937. I Patentedjan.23, 1m.

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ANDREW DERROM, OF PATERSON, NEW JERSEY.

IMPROVEMENT IN CONSTRUCTING BUILDINGS.

Specification forming part of Letters Patent No. 122,937, dated January23, 1872.

Specification describing a new and useful Improvement in ConstructingBuildings, invented by ANDREW DERROM, of Paterson, in the county ofPass-aic and State of New J ersey.

'lhedra-wing represents a sectional elevation, showing lnyimprovement inconstructing buildin gs.

The object of this invention is to protect buildings that are in processof construction, or otthorough repair, from the inclemency of theweather,and also the laborers engaged at the work. The inventionconsists in the use of a vertically-adjustable cap or cover, which isplaced over the walls to be erected, and gradually elevated as the wallsgo up, meanwhile keeping them, the flooring, material, and laborersalways under roof. The advantages of this method of constructingbuildings are inanifold. Not only are the men kept in healthy condition,but also material is economizcd and the application of artificial heatis made possible, whereby frost can be kept out and building ininidwinter continued. The invention is equally applicable to theerection of new build; ings as to the repair of such as are burnedpartly down.

A in the drawing represents the lower portion of a building which isabout being constructed or repaired. B is a wooden house, placed overthe same, and supported on brackets or braces O (J, which are clamped orotherwise fastened to the sides of A. The wooden house 13 is,preferably, made in sections, to be conveniently and quickly put up andadjusted to houses of various sizes. Such sectional wooden houses areknown, and need here not be fully described. The braces or brackets areso applied as to be easily taken off and shifted up. This will enablethe gradual elevation of the wooden house as the walls of the mainstructure go up. In this manner the aforementioned objects of myinvention are fully carried out, and the specified advantages gained.

Having thus described my invention, I claim as new, and desire to secureby Letters Patent- The method herein described of keeping buildings thatare in process of construction constantly under roof, by the applicationof a vertically-adjustable covering-house, as set forth.

ANDREW DERROM.

Witnesses:

A. V. BRIEsEN, T. B. MosEER.

